30412422 has 64 divisors (see below), whose sum is σ = 72619200. Its totient is φ = 9517824.

The previous prime is 30412397. The next prime is 30412423. The reversal of 30412422 is 22421403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30412395 and 30412404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30412423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74154 + ... + 74562.

It is an arithmetic number, because the mean of its divisors is an integer number (1134675).

Almost surely, 2^30412422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30412422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36309600).

30412422 is an abundant number, since it is smaller than the sum of its proper divisors (42206778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30412422 is an equidigital number, since it uses as much as digits as its factorization.

30412422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30412422 is about 5514.7458690315. The cubic root of 30412422 is about 312.1406540373.

Adding to 30412422 its reverse (22421403), we get a palindrome (52833825).

The spelling of 30412422 in words is "thirty million, four hundred twelve thousand, four hundred twenty-two".